Home / 12,963,606,777.79-17,889,795,506.33-7,023,159,279.79

Finding the Fourth Proportional to 12,963,606,777.79, 17,889,795,506.33 and 7,023,159,279.79

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Solution

The fourth proportional to 12,963,606,777.79, 17,889,795,506.33 and 7,023,159,279.79 is: 9,691,969,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963,606,777.79 : 17,889,795,506.33 = 7,023,159,279.79 : x
  2. Step 2: Convert to fraction form
    12,963,606,777.79/17,889,795,506.33 = 7,023,159,279.79/x
  3. Step 3: Cross multiply
    12,963,606,777.79x = 17,889,795,506.33 × 7,023,159,279.79
  4. Step 4: Simplify right side
    12,963,606,777.79x = 125,642,883,323,826,995,200
  5. Step 5: Solve for x
    x = 125,642,883,323,826,995,200/12,963,606,777.79
  6. Step 6: Final answer
    x = 9,691,969,640.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.